TODAY NOV22
TEMPERATURE23
HUMIDITY78
PRESSURE102170
WIND COND.160 9.4
  • 4427Sat
  • 3816Sun
  • 3115Mon
  • 4016Tue
  • 3515Wed20%
daynightWeather update from Winner, Bob Wiley Field Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Dallas for July is 77.4 degrees
  • The lowest monthly average temperature in Dallas for January is 24.9 degrees
  • The most monthly precipitation in Dallas occurs in June with 3.9 inches
  • The air quality index in Dallas is 14% better than the national average
  • The pollution index in Dallas is 93% better than the national average

Compare Dallas, SD Weather

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      Dallas Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January16°F37°F25°F0.2"
      February16°F38°F26°F0.3"
      March28°F53°F38°F0.7"
      April37°F62°F48°F2.4"
      May47°F72°F59°F3.5"
      June58°F83°F70°F3.9"
      July65°F92°F77°F1.9"
      August62°F88°F74°F3.4"
      September53°F80°F65°F1.8"
      October41°F65°F51°F1.8"
      November28°F52°F39°F0.3"
      December16°F36°F25°F0.3"

      Dallas air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexDallasSouth DakotaNational
      Air quality index363642
      Pollution index179,967345,6232,726,193

      Dallas air quality

      MeasurementTotal
      Days measured365
      Days with good air quality321
      Days with moderate air quality43
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.002%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Dallas temperature with heat index

      Dallas monthly precipitation with daily maximum

      Dallas monthly snow depth with daily maximum

      Dallas monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Colome, SD3873628.0%
      Burke, SD7053628.0%
      Gregory, SD1,4443628.0%
      Dallas, SD903628.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Utting, AZ901374.0%
      C-Road, CA904412.0%
      Darwin, CA901570.0%
      Tarrytown, GA902648.0%
      Odin, KS904020.0%
      Dallas, SD903628.0%
      Source: The Dallas, SD weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.